Concrete railway car



Aug. 2, 1927.

A. c. GRlEwANK CONCRETE RAILWAY CAR Filed Oct. 5l,` 1918 4 Sheets-Sheet1 Au 2 l 2 g 9 7 A. c. GRIEWANK CONCRETE RAILWAY CAR -4 sheets-sheet 5Filed 00%,. 31, 1918 strains and stresses to which suclicar Applicationn'le October '31,?

Y The Aobject of the present invention? to provide a novel constructionVof Carbody, especially `for :railway cars and more 'pari ticularly forfreight cars, which', While 'made of material inucli cheaper than those'pres-r ent; used, will be fable to withstand the shocks,

are ordinarily subjected. i i

In the accompanying drawing, `Figure is"l a-'side View of a reinforcedconcrete reigljit car constructed in accordance":Withiiny` in# Vention;Figure Q is av transverse 'sectional viewof the saine on the line2"-'2rof`Figure 1; F igu'res, 4, 5, aresiinilarviews of iiiodi-r` f liedforms of the car; Figure tris'-ajpartialv longitudinal section of thesaine; onfthe line i 6+6 of Figure 2; Figiire 7'is anjend view thereof;Figure 8 is an enlarged broken `side vie'wofa portion of thecar; Figure@is a' Vpartial cross-sectional View thereof, also enlarged onthe line9--9 of Figure 8; Figiirel` 10 is a 1similar View taken 4ontlie line104410,

of Figure 8; Figure 11 "isla broken plan `View offa'portion ofthecar;Figure 12 is'afverti-f cal section of a portionof'afat carsliowing aglrder and loor andfreinforcenient therel, in; Figure '13 isardetailVerticallsectional ViewV showing the' protectorsfffor" the fiatistake sockets; Figure 14islanc enlarged Ve'rti'- cal longitudinalsection offa portion'of 7afoar A showing a girder4 insideeleiation;*Figure 15 is a horizontal sectional viewpn the line15-.15 of Figure 414, -of one"halt'ot"4 an end portion ofthe Cary-Figure16 is a partial vertical'cross-section of said end on the line 16-16`0flFigure 14|Figure17-isa partial verticalacross-section of the 'car onthe line 17V-A17 of 'Figure 14d; FigurelS is an elenation of an endbeam, showing its free board and 'cliaing iron for the coupler; Figure19 l is a horizontal section lthrough an lend of the cial-*showing indetail tliedraft rigging; Figiiiie 20i'sja vertical'secftion of "th I`saine on an enlarged vertical sectionfon the'I line 21%21 of Figure 16{Figui-'e T22 is f a, IVertical he 1in@ leistet neu 'Seriifnqfaefilii'tendingl f transrersel" girdei x'7 girdfci s `slioiirii Figure. 15, said-girders and 'bolster having at their 'coniinoncenterfaj t'lie'kingpin?. The top' Eeach.

der i y iat-vt' 'concrte a mdf formed integral with Isaia:

holsters 'f are preferably of jgreater "depth or thecentralport-ionofthe tlonbutwhere, as

shown in Figures 3,14*,gir-ders'dependfroni 'tl'i'ef "marginal, portionof i-the" floor, said i @new 1,7 ,halt-hoi h,las shown in F ignreotheymay s"oli(l.A shown" Figures 6, 14, the

` girdeijs and. are 'formed in iot only with 'eachother butwith suitablematerial) v"said sidesi'ande'iids' being preferably:oi'panel-shaped'formin order to Areduce tlieU'iveight in proportionl to. the strengtli. @Thethicker portions',` 14 v,of ythe 'tWooavitiesQ ex Zontallyv therein,yTliefconcrete =`r are' otunit'oiin .depth or@thi"oki'iesslAhegirde'ig'for girdefrs, if ino'reltliaii. used,fandthebolstersv larepreferabl)F7 i li'ow'njgiir"Figures-2,13;4, 6,16, i

sides .ends actas postslf Theoorlis also strengthened by icrlossufbeai'n's' `integra/l therewith' a'nd I which are {also}v4preferably liollou'f-as'jclearly SliOWniiiFiguresG, 14.

parte@ of 'the app aratiisfriiihicli are hereinafter around fliollod"oriifisl olf the `vshapes of the lightslieet 'ni'ateriL and which aresecured inV p'roperplace in the main' lforin's'by means oft very thinWires or rods, or by. 'ro'dsW-itl'i pp e. sl eeyesf around the rods 'andvspacing the niemand' innerffornis. l

'lYliei'e 'a'.'girdei-.or otherelement is, i tionedfin the claims'V asbeingfliollow, it

understood thatV the ycavity in the ginder or other element`4 is closed;This' construction gngige? light- 1re em-11e 1ere-Hete 9. A reinforcedconcrete car body having a hollow bolster formed integral therewith.

10. A concrete car body having a girder and bolster formed integraltherewith.

11. A concrete railway car having a bolster, girders, a floor, and crossbeams connecting the bolster with the floor through the girders, all ofsaid elements being integral with each other.

12. A concrete railway car having a bolster, girders, a floor, andhollow cross beams connecting the bolster with the floor through thegirders, all of said elements being inf tegral with each other. y

13. A reinforced concrete car formed integral wit-h a bolster therefor,said bolster having a plurality of longitudinally extending cavitiestherein.

14. A car body formed of concrete having therein reinforcing bars inthree series, one extending longitudinally of the car and two extendingobliquely thereto symmetrically with regard to the longitudinallyextending bars.

15. A car body formed of concrete having therein reinforcing bars inthree series,one extending longitudinally of the car and two extendingobllquely Vthereto symmetrically with regard to the longitudinallyextending bars, the parts of said reinforcing bars nearest to each otherbeingsecured together.

16. A car body having a floor and sides and formed of concrete andhaving two series in the floor of the of bars extending obliqueliy d ierespective s1 es car and extending into t thereof.

17. A -car body having a {ioor and sides and formed of concrete andhaving two series of bars extending obliquely in the floor of the carand extended into the respective sides thereof and secured together attheir points which are nearest to each other.

18. A car body construction comprising a frame consisting oflongitudinal sills and transverse bolsters of reinforced concrete, and afloor carried by said frame, said floor also being constructed ofreinforced concrete.

19. A concrete car, comprising sides of concrete and a metallic wearingmember on the upper edge of said walls and secured thereto.

20. A concrete car having a metallic wearing member secured on its freeedges.

21. A concrete railway car with walls and floor, and, thereunder, crossbeams project- V'ing beyond the edges of theiloor and on the outside ofsaid walls and integral with said cross beams, vertical posts; and onthe top of said posts and walls, a longitudinal beam, all of the aboveparts being of concrete and alll adjoining parts integral with eachother.

22. A concrete car with longitudinal girder of variable cross-section.

23. In combination with a concrete body of a car, a concrete underframewith a girder with an enlarged portion at the bottom of same.

24. In a railway car a concrete body with concrete ends with postsstiffening said ends.

25. A car comprising a selfsustaining reinforced concrete bodyportionmounted on trucks, a hollow central longitudinal girder under said bodyportion and draw bar connections to said central Alongitudinal girderand means for connecting the car'body to the trucks. V

26. A car with a reinforced concrete body with cross beams of concreteand a hollow girder and hollow bolsters.

ARTHUR o. GBIEWANK.

